undercross
UK/ˈʌndərˌkrɒs/US/ˈʌndərˌkrɔs/
undercross noun: a passage or underpass where a roadway, railway, or infrastructure crosses under another.
Noun
undercross (plural undercrosses)
- A passage or underpass where a roadway, railway, or infrastructure crosses under another.
- The whole of the undercross is perfect, excepting the bases of the outer columns, and forms a fine superstructure of gigantic support to the light and delicate parts above.1800 December, “Description of St Stephen's Chapel”, in THE SCOTS MAGAZINE, volume 62, APPENDIX 1800., page 857
- The strand or segment in a knot diagram that passes beneath another at a crossing; i.e., the under‑crossing strand in a knot projection. As distinguished from the overcrossing or over‑strand in knot projections
- If we arrive at an undercross, then we move the branch of the overcross over the rest of the knot up to the end of K.2023 January 4, Thomas Fiedler, One-cocycles And Knot Invariants, World Scientific Publishing Company, page 52
Synonyms of undercross
Antonyms
Forms of undercross
| plural | undercrosses |
|---|
Origin of undercross
From under- + cross.
Questions about undercross
- What does undercross mean?
- Undercross means a passage or underpass where a roadway, railway, or infrastructure crosses under another.
- What part of speech is undercross?
- Undercross is a noun.
- How do you pronounce undercross?
- Undercross is pronounced /ˈʌndərˌkrɒs/ (UK).
- What is the plural of undercross?
- The plural of undercross is undercrosses.
Words near undercross in the dictionary
Source and license
Adapted from Wiktionary: undercross (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Cite this entry: “undercross.” Word.ws, https://word.ws/undercross. Based on Wiktionary, CC BY-SA 4.0.